Audi  A8 2005-2009
 PART   COLOR  LOCATION
 12 VOLT CONSTANT   RED (+)   @ DRIVERS DASH RELAY PANEL
 STARTER  See NOTE #1  
 STARTER 2  N/A  
 IGNITION 1  BLACK (+) (for IGNITION Sense ONLY!!)  @ DRIVERS DASH RELAY PANEL
 IGNITION 2  N/A  
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  BLACK/YELLOW (+) (for ACCESSORY Sense ONLY!!)  @ DRIVERS DASH RELAY PANEL
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  N/A  
 PARKING LIGHTS ( - )  N/A  
 PARKING LIGHTS ( + )  GRAY/BLACK(+)(Left Front) and GRAY/RED(+)(Right Front), See NOTE #3  @ VESCM, (32-PIN PLUG), PINS 4 and 2, NOTE #2
 POWER LOCK  BLUE/WHITE (-) thru a Resistor, (Measure)  @ DRIVERS DOOR CONTROL MODULE, (32-PIN PLUG), PIN 23
 POWER UNLOCK  Use LOCK wire, (-) thru a Resistor (Measure)  
 DOOR TRIGGER  GRAY/PURPLE (-)  @ DRIVERS DOOR CONTROL MODULE, (12-PIN PLUG), PIN 3
 DOMELIGHT SUPERVISION  Use DOOR TRIGGER!!  
 TRUNK RELEASE  GREEN/YELLOW (-)  @ DRIVERS DOOR CONTROL MODULE, (32-PIN PLUG), PIN 17
 SLIDING POWER DOOR  N/A  
 HORN  BROWN/YELLOW (-)  @ VESCM, (32-PIN PUG), PIN 17
 TACH  NOTE #6  @ Any FUEL-INJECTOR
 WAIT TO START LIGHT  N/A  
 BRAKE  RED/BLACK (+)  @ BRAKE PEDAL Switch, (4-PIN PLUG), PIN 3
 FACTORY ALARM DISARM   GRAY/BROWN (-) thru a Resistor, (Measure), NOTE #5  @ DRIVERS DOOR CONTROL MODULE, (12-PIN PLUG), PIN 8
 ANTI-THEFT  AUDI'S TRANSPONDER ANTI-THEFT SYSTEM, See NOTE #1  @ IGNITION SWITCH TUMBLER
 EXTRA INFORMATION
 NOTE #1: AUDI'S TRANSPONDER ANTI-THEFT SYSTEM, Requires Bypass Module, DUE to the SPECIAL IGNITION Circuit on this Vehicle, MUST USE: Part # CANMAX 400 Bypass/Interface Module NOTE #2: the VESCM, (Vehicle Electronic System Control Module) is located, UNDER the DRIVERS DASH, on the RELAY and FUSE PANEL. NOTE #3: the LEFT REAR Parking light is BLACK/RED(+) and the RIGHT REAR Parking light is a BLACK/PURPLE(+) at the Comfort System Contol Module, (15-PIN PLUG), PINS 1 and 7 use all 4 WIRES and ISOLATE NOTE #4: the CSCM, (Comfort System Control Module) is located ON the RIGHT SIDE of the LUGGAGE Compartment. NOTE #5: TEST this wire while Turning the KEY in the DRIVERS DOOR, this wire also UNLOCKS the doors. NOTE #6: when using the TACH wire, on the 4.2L Engine us any wire with a BROWN STRIPE on the 6.0L Engine use any wire with a GREEN STRIPE, test (AC)